Description
Callies Compstar Xtreme Connecting Rods – Duramax Diesel 2001–2016 (LB7/LLY/LBZ/LMM/LML)
Upgrade your Duramax diesel with the strength and reliability of Callies Compstar Xtreme Connecting Rods. Specifically engineered for high-power diesel and power adder applications, these rods are a top choice for serious builders seeking proven durability and exceptional performance.
Key Features
- Engineered for Power: Designed for 2001–2016 Chevy Silverado and GMC Sierra 2500HD/3500HD trucks with LB7, LLY, LBZ, LMM, and LML Duramax engines.
- Durable Construction:Â Forged from premium 4340 steel, these H-Beam connecting rods deliver outstanding strength to handle high boost, nitrous, and heavy towing.
- Advanced Fasteners:Â ARP L19 fasteners ensure secure clamping and lasting reliability, even under extreme conditions.
- Optimized Design:Â The Xtreme rods feature thickened H-beam flanges and a reduced center cut for superior rigidity. Non-essential weight is strategically removed to maintain optimal balance and manageable rod weight.
- Performance Specs:
- Center-to-Center Length: 6.418″
- Rod Journal: 2.480″
- Pin Size: 34.5mm (1.359″)
- Typical Weight: 1182g per rod
- Conservatively rated for up to 1000HP
What’s Included
- 8 x Callies Compstar Xtreme Connecting Rods
- All necessary hardware
Fitment Notes
- Fits 2001–2016 Chevy Silverado and GMC Sierra 2500HD/3500HD Duramax diesel engines (LB7, LLY, LBZ, LMM, LML).
- For LML engines using OEM replacement pistons, some minor machine work may be required for proper fitment.
Why Choose Compstar Xtreme Rods?
If you’re pushing your Duramax past stock power levels, you need rods that won’t let you down. Thanks to premium materials and careful engineering, you get maximum strength without excess weight. Whether you’re building a street truck, a competition rig, or a heavy-duty tow vehicle, these rods deliver the confidence you need for big power.
